Most Daily Precipitation in Imperial History

This is a list of the largest daily precipitation totals ever recorded in Imperial, California history from 1901–2024.

What's the Most It Has Ever Rained in Imperial?

According to NOAA records, the most rain that Imperial, California has ever received in a single day is 4.1 inches which occurred on Wednesday September 6, 1939.

Also see most rain in: 2 days | 1 week | 1 month

Imperial Most Rain in One Day

Rank	Precipitation	Date
1	4.1 inches	September 6, 1939
2	2.4 inches	September 10, 1976
3	2.3 inches	October 10, 1932
4	2.3 inches	December 9, 1982
5	2.2 inches	August 15, 1977
6	2.1 inches	August 11, 1946
7	2.1 inches	October 1, 2017
8	2.0 inches	October 10, 1986
9	1.8 inches	September 13, 1939
10	1.8 inches	December 9, 1926
11	1.8 inches	December 12, 1902
12	1.6 inches	January 22, 2024
12	1.6 inches	October 4, 1925
14	1.5 inches	February 18, 1905
15	1.4 inches	October 6, 1972
16	1.4 inches	August 16, 1977
17	1.4 inches	January 9, 1905
18	1.3 inches	August 21, 2014
18	1.3 inches	September 25, 1997
20	1.3 inches	September 6, 1926